MALLINCKRODT SPECIALTY CHEMICALS COMPANY, A DE CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 7131
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 2253
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5312970 Method of preparing D-propoxypheneMar 19, 92May 17, 94[C07C]
5312991 Surfactant improvement for para-aminophenol processJun 09, 92May 17, 94[C07C]
5306507 Process and composition containing pamabrom and pyrilamine maleateMar 26, 92Apr 26, 94[A61K]
5284975 Method of preparing .alpha.-d-phenylalkylbenzyl carbinolOct 08, 92Feb 08, 94[C07C]
5227526 Resolution of 3-dimethylamino-2-methylpropiophenone (3-DAMP)Jun 16, 92Jul 13, 93[C07C]
5200507 Method of separating a peptide from a resinApr 12, 91Apr 06, 93[A61K, C08F]
5162566 Stereospecific synthesis of tetrasubstituted acrylic estersAug 26, 91Nov 10, 92[C07C]
5157169 Preparation of 3-halo-halobenzenes and 1-halo-3,5-dihalobenzenesMar 26, 92Oct 20, 92[C07C]
5132457 Stereospecific synthesis of 2(R)-2-methyl-3-dimethylamino-propiophenone (d-DAMP)Aug 26, 91Jul 21, 92[C07C]
5110367 Method for precision cleaning of medical devicesMay 15, 91May 05, 92[B08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5254776 Synthesis of bromobiphenylsExpiredJul 17, 92Oct 19, 93[C07C]
5164523 Process for the production of granular metal soapExpiredJun 06, 91Nov 17, 92[C11C]
5155269 Purification of p-aminophenol compositions and direct conversion to N-acetyl-p-aminophenolExpiredMay 24, 89Oct 13, 92[C07C]
5149875 Halogenation of aromatic amine compoundsExpiredJan 15, 91Sep 22, 92[C07C]
5138099 Synthesis of fluorobenzaldehydesExpiredJul 31, 91Aug 11, 92[C07C]
5112975 Preparation of noroxymorphone from morphineExpiredSep 14, 89May 12, 92[C07D]
5107046 Process for preparing aromatic fluoridesExpiredMay 23, 90Apr 21, 92[C07C]
5104648 High ibuprofen content granulationsExpiredJan 11, 90Apr 14, 92[A61K]
5055563 Continuous preparation of aromatic diazonium fluoride salts from corresponding aromatic aminesExpiredJun 13, 90Oct 08, 91[C07C]
5052451 Dust control apparatusExpiredFeb 26, 91Oct 01, 91[B65B]
5053542 Catalytic bromination of 2-fluoroanilineExpiredJan 31, 90Oct 01, 91[C07C]
5041617 Dithiodialkanoic acid esters and polymers stabilized therewithExpiredFeb 19, 88Aug 20, 91[C07C]
5034156 Method for inhibiting the polymerization of acrylic acidExpiredJan 08, 90Jul 23, 91[C09K, C08F]
5032371 Process for the continuous recovery of hydrogen fluoride gasExpiredJul 07, 89Jul 16, 91[C01B]
5028486 Metallic fatty acid pellets and method of manufactureExpiredOct 10, 89Jul 02, 91[B29B]
4996355 Novel intermediates for the production of 2,4,5-trifluorobenzoyl fluorideExpiredApr 14, 89Feb 26, 91[C07C]
4996035 Preparation of nitrosyl fluorideExpiredFeb 05, 90Feb 26, 91[C01B]
4992564 Preparation of 6-substituted 4-chromanonesExpiredAug 31, 89Feb 12, 91[C07D]
4990671 Method for making aminophenols and their amide derivativesExpiredDec 07, 89Feb 05, 91[C07C]
4973771 Phase transfer catalystsExpiredFeb 09, 87Nov 27, 90[C04C]

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